The product of the stroke volume times the heart rate is known as the
A. cardiac reserve.
B. venous return.
C. end-diastolic volume.
D. cardiac output.
E. end-systolic volume.
Answer: D
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The blood pH value measures the level of ________.
A. WBCs and RBCs B. electrolytes C. antigens and antibodies D. acidity and alkalinity
In the process of glycolysis
A. one enzyme converts glucose into NADH. B. two enzymes are involved in breaking glucose down to ten pyruvate molecules. C. ten enzymes are involved in breaking glucose down to two pyruvate molecules. D. twelve enzymes split glucose into thirteen smaller molecules. E. six enzymes use two ATP to split glucose in half.
A skin condition in which intensely itchy wheals or welts appear is called ____________________.?
Fill in the blank(s) with correct word
All of the following are true of the primary response to antigen exposure except that
A) it depends on antigen triggering the appropriate B cell. B) it requires B cell differentiation into plasma cells. C) it is delayed by the memory cell stage. D) circulating antibodies undergo a gradual, sustained rise. E) it peaks 1 to 2 weeks after the initial exposure.